Answer:
f(-8) = 10
Step-by-step explanation:
f(x) = x + 18
f(-8) = -8 + 18 = 10
Yez
Yes
25? to be honest i really dont know :/
um pemdas says 5x5 is 25 so 5+(25)-5/5 then you do -5/5 is -1 and thats 5+(25)-5 then you add 5 to 25 and thats 30 and minus 5 is 25